True solar time
astronomic time calculator
The current true solar time for location compared to local time:
latitude: 57.766667
longitude: 108
Local time: 17:14:34
True solar time: 16:30:15
Solar / Astronomic Time calculation:
Coordinated Universal Time (UTC) 04:14:34
Local Time 12:14:34
Day of Year 138
Time Equation, value -3.6891821904696
Time Equation, in seconds -221
Difference from Local Time, seconds 2880
Total Difference, seconds 2659
True Time: 16:30:15
This is the calculation of true solar (astronomic) time for location (57.766667, 108).
The Local and Astronomic Time Divergence
The chart shows the divergence between local and astronomic time for the chosen place within a current year period. Maximum divergence of local and solar time this year is on the 12/02/2026 and is equal to 01 hour 02 min 36 sec (3756 seconds). Minimum divergence is on the 30/10/2026 and is equal to 00 hour 31 min 33 sec (1893 seconds).
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